Synthesis of heteroaryl C-glycosides via Ru-catalyzed C–H activation/cyclization: dioxazolone glycogen designs and applications†
Xu-Ge
Liu 
*a
*a
Abstract
New glycogen reagents of dioxazolone glycogen anomers have been developed. The versatile heteroarene C-glycosides have been synthesized using a Ru-catalyzed C–H activation/annulation strategy, employing these dioxazolone glycogen anomers. These reactions tolerate various saccharide donors and enable stereoselective synthesis of heterocyclic C-glycosides. The strategy and methods were well applicable to a large-scale reaction and late-stage modification of structurally complex natural products.
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